Kenneth Warren was a powerful figure in twentieth century medicine whose work transformed public health policy and tropical medicine, and who left a profound legacy in global health thinking. A prolific writer and researcher, Warren was respected for his scientific research, winning awards and accolades, while his later role as activist, agitator, innovator and connoisseur of science brought him international recognition. His career in medicine is remembered for three enduring achievements:

. His efforts to introduce modern biomedical science to the study of infectious diseases in...